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What is The Polydatin(Giant Knotweed Rhizome Extract)?
Oct 16, 2017

Giant knotweed rhizome (Also named Polygonum cuspidatum) is the dry rhizome and root of polygonum cuspidatum Sieb. et Zucc. Harvest at spring and autumn every year, and remove the fibrous root, make it clean, and then cut it into short pieces or junks, open-air drying. The Xi'an Natural Field Bio-Technique Co.,Ltd. 's extract of giant knotweed rhizome best polydatin price is valuable and reasonable. The reference polydatin price is US$ 485.0/kg for 1kg;

Polydatin 98 supplements.jpg

Giant knotweed extract polydatin is the glycoside of resveratrol originally isolated from the Chinese herb Polygonum cuspidatum. The polydatin has been shown to inhibit platelet aggregation and elevate the ratios of LDL-C/HDL-C and TC/HDL-C. Myocardial cell, white blood cell, vascular smooth muscle cell, and endothelial cell studies report that polydatin can inhibit ICAM-1 expression, elevate Ca2+, weaken white blood cell-endothelial cell adhesion, and activate KATP channels.

Product name: Polydatin 98% Professional Manufacturer

Chemical name: 3,4'-5-Trihydroxystilbene-3-beta-D-glucopyranoside

Appearance: White Fine Powder

Purity: Polydatin 98%

Test method:HPLC

CAS: 65914-17-2

Molecular Formula: C20H22O8

Molecular Weight: 390.38

Molecular stucture:

Best Sale Polydatin extract powder from Xi'an Natural Field Bio-Technique Co.,Ltd.

Melting Point: 223-226 °C(lit.)

Boiling point: 707.7 °C at 760 mmHg
Flash Point: 381.8 °C 
Density: 1.521 g/cm3
Index of Refraction: 1.736 
Molar Refractivity: 103.11 cm3 
Molar Volume: 256.5 cm3 
Surface Tension: 77.7 dyne/cm 
Enthalpy of Vaporization: 108.69 kJ/mol 
Vapour Pressure: 5.08E-21 mmHg at 25°C


1. Polydatin wound healing with the pharmacological functions such as antisepsis, oxidation resistance.

2. Polydatin 98 supplement protects against heart disease, cancer, platelet aggregation, vessel flaccidity,

3. Trans polydatin decreases blood fat and resisting mutagenesis, etc.


1. Best polydatin applied in pharmaceutical field, it is usually made into tablets, soft capsule, injectio, etc. to treat acute bacillary dysentery, gastroenteritis, cat fever, amygdalitis, faucitis, bronchitis, pneumonia, phthisis and so on. 

2. Buy polydatin applied in veterinary field, it is made into pulvis to treat acute bacillary dysentery, gastro-enteritis and pneumonia of poultry and livestock.

Get more plant extractcosmetic raw ingredients and health ingredients,please contact us

For any inquiry or further information, welcome contact [email protected]. Natural Field Ltd. would always provide you an all-in-one solution.

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